INDEX 



607 



Avogadro, 144. 



Azolla, 124,497; absorption of methyl-blue 

 by, 94- 



Bach, 355. 



Bachmann, corrosion by lichens, 173 ; pig- 

 ments of lichens, 495. 



Bacillus anthracis, non-virulent varieties of, 

 499; B. butylicus, 558, 559; alco- 

 holic fermentation of glycerine by, 556 ; 

 - suppression of fermentative power 

 in, 553 ; B. carbonis, 531 ; B. cholerae 

 asiaticae, 532 ; B. denitrificans , 53 1 ,. 

 550; B. Fitzianus, 547; B.liquefaciens, 

 v. vulgaris, 311, Fig. 43 ; B. megathe- 

 rium, 376; B, methylicus, 381; B. 

 orthobutylicus, 558, 559 ; fermentation 

 of inulin by, 554; B. perlibratus, 382, 

 406 ; B. Pfliigeri, 547 ; B. phosphores- 

 cens, 532, 547 ; B. polypiformis , 540, 

 531, 532 ; B. prodigiosus, 532, 533, 

 547, 553 ; B. pyocyanus, 497 ; B. oede- 

 matis maligni, 531 ; B. radicicola, 396, 

 400 ; B. subtilis, 387, 532 ; B, tetani, 

 531 ; B. typhi, 532. 



Bacteria, induced variations in, 33. 



Bacterio-purpurin, 343, 349. 



Bacterium aceti, 485, 527, 548, 559, 560 ; 

 B. megatherium^ 504 ; B. Pasteuri- 

 anum, 560 ; B. photometricum, 306, 

 307; B.termo, 311, 340, 532. 



Bacteroids of root tubercles, 399-401. 



Baeseler, 405. 



Baier, 558. 



Bailey, 352. 



Baisse, de la, 151, 217. 



Balfour, 379. 



Balland, 585. 



Ballo, 355, 356. 



Ballota nigra, 278. 



Baranetzsky, 240, 247, 248, 250, 257, 258, 

 261, 266, 267, 508, 604 ; progress of 

 depletion in seeds, 599. 



Barthelemy, 182, 183, 185, 187, 201, 205, 

 250 ; closure of stomata under negative 

 pressure, 198. 



Bartsia, 369. 



Barus and Schneider, 71. 



Bary, de, 40, 71, 112, 118, 131, 190, 191, 

 195, 196, 216, 278, 284, 364, 366, 368, 

 371, 374, 376, 478, 479, 578, 581, 582, 

 602, 604 ; on fungal cellulose, 481 ; on 

 lenticels, 189. 



Bastit, 322, 338, 565. 



Batalin, 333. 



Baudrimont, 206, 353. 



Baumann, 372, 392, 436 ; silver reduction 

 test, 68. 



Bayer, theory of photosynthesis, 355. 



Beauvisage, 475. 



Bechi, 438. 



Becquerel, 172, 327, 352. 



Beet-root, percentage of amides in, 459. 



Beggiatoa, 526. 



Begonia, 243 ; B.manicala, 145 ; B. hydro- 

 cotylifolia, 182. 



Behrens, 604. 



Belajeff, 54. 



Belzung, 314, 468, 600. 



Bemmelen, van, 72, 169. 



Benecke, 366, 411, 417, 426,432; import- 

 ance of subsidiary guard-cells, 192. 



Benkovich, 355. 



Bente, 405. 



Benzoic acid, nutritive value of, for fungi, 



384- 



Berard, 538, 601. 



Berger, 262. 



Bergmann, 485. 



Bernard, 564. 



Bert, 352, 353, 571 ; influence of compressed 

 air and of oxygen, 542. 



Berthelot, 394, 395, 399, 402, 405. 



- et St. Andre*, 429, 437, 545, 586. 



Berthold, 182, 360, 482; on calcareous in- 

 crustations, 133. 



Bertrand, 427, 509 ; on laccase, 505, 545 ; 

 on tyrosinase, 510. 



et Malleve, 478. 



Beta, 326, 334. 



Betula, 262 ; influence of heat on formation 

 of starch in, 512 ; starch in pith of, 603 ; 

 B. alba, 259, 265 ; B. lenta, exudation- 

 pressure of, 259. 



Beyer, 169, 405, 431, 600. 



Beyerinck, 305-7, 311, 312, 347, 363, 366, 

 375-7, 382, 383,399,401-6,490, 501-7, 

 53 r -3> 547~5> 560; on anaerobes, 

 53, 535 5 auxanographic method of, 

 386 ; butyric bacteria, 558, 559 ; evolu- 

 tion of gas by fermentation, 555 ; by 

 green plants, 339 ; influence of oxy- 

 gen on respiration, 538-42 ; of food on 

 anaerobiosis, 540; photobacteria, 581 ; 

 reserve-oxygen, 571. 



Bicollateral bundles, influence of, on ringing 

 experiments, 578. 



Biedermann, on differential absorption, 129, 

 132. 



Biffen, 582. 



Bineau, 389. 



Biology, 9. 



Bionomy, 9. 



Biot, 262. 



Birner and Lucanus, 405, 406, 427-30, 435. 



Bischoff, 206, 290 ; on calcareous excreta, 



133. 



Bjsmuth, occurrence of, 437. 



Blackman, 188, 330, 340, 520 ; on diosmosis 

 of gases through cuticle, 186; on in- 

 fluence of stomata on absorption of 

 carbon dioxide, 196. 



Blass, 581. 



Bleeding, methods of demonstration, 256, 

 Fig. 33, 257, Fig. 34 ; daily periodicity 

 in, 266 ; yearly, 264, 265 ; causes 



